China Aerospace Science and Technology CorporationLong March 4CLaunch Complex 9, Taiyuan Satellite Launch Center, People's Republic of China
Ziyuan 1-02E & CAS-9
Launched
December 26, 2021
Summary
Zhiyuan 1-02E launched on a China Aerospace Science and Technology Corporation Long March 4C from Launch Complex 9, Taiyuan Satellite Launch Center, People's Republic of China on December 26, 2021. It was China Aerospace Science and Technology Corporation's 350th launch, 46th this year and humanity's 6,177th orbital launch attempt. It was the 38th Long March 4C flight and the 9th this year. The payload was bound for Sun-Synchronous Orbit (SSO). Zi Yuan 1-02E, one of 4 catalogued objects, reached a 772 × 775 km orbit inclined 98.6°. 4 objects from this launch are catalogued, 2 of them payloads.
- Watch
- Booster
- No booster details on record.
- Mission
- Earth Science · Sun-Synchronous Orbit (SSO)
- Milestone
- 38th Long March 4C flight · 9th this yearChina Aerospace Science and Technology Corporation's 350th launch46th this yearhumanity's 6,177th orbital launch attempt140th orbital launch attempt this year
Flight preview
Orbit: as tracked
Zi Yuan 1-02E · NORAD 50465 · 2021-131 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2021-131A
- Epoch
- 2021-12-26 08:05:18 UTC
- Mean motion
- 14.37616626 rev/day
- Eccentricity
- 0.0002589
- Inclination
- 98.595°
- Ascending node
- 72.5542°
- Arg. of perigee
- 235.2111°
- Mean anomaly
- 220.706°
- Element set
- 999
- Rev at epoch
- 3
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: SSO. Ascent drawn from padside's representative profile.
Catalogued objects
4 catalogued: 2 payloads, 1 rocket stage, 1 component; 3 still in orbit
- Zi Yuan 1-02E · NORAD 50465 · in orbit
- Hope-OSCAR-113 · NORAD 50466 · in orbit
CZ-4C Y39 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
ZY-1 02E is a Chinese Earth observation satellite. The primary objective is to acquire high-resolution (5 meter) panchromatic and multispectral imagery for land resource surveys, disaster monitoring, forestry and ecological monitoring.
Pad

Launch Complex 9, Taiyuan Satellite Launch Center, People's Republic of China
56th launch from Launch Complex 9, 8th this year · 101st from Taiyuan Satellite Launch Center, People's Republic of China
80 launches from this pad · 162 from Taiyuan Satellite Launch Center, People's Republic of China
36 days after the previous launch from this pad
All launches from Taiyuan Satellite Launch Center, People's Republic of ChinaOpen in maps
Updates
Launch success.
Show 2 earlier updates
Launch time confirmed per ham radio operators.
Cosmic_Penguin · 12/22/2021 · source
Added launch per NOTAMs. Payload and rocket identity per https://ukamsat.files.wordpress.com/2021/12/xw-3efbc88cas-9efbc89-amateur-radio-satellite-users-manual-v1.0.pdf and is tentative.
Cosmic_Penguin · 12/22/2021 · source
Questions
When did Zhiyuan 1-02E launch?
Zhiyuan 1-02E launched on December 26, 2021. The time is known to the hour, not the minute.
Where can I watch Zhiyuan 1-02E?
Coverage: Long March-4C launches ZY-1 02E. Watch the replay
What rocket launched Zhiyuan 1-02E?
Long March 4C, flown by China Aerospace Science and Technology Corporation. Long March 4C spec sheet
Where did Zhiyuan 1-02E launch from?
Launch Complex 9, Taiyuan Satellite Launch Center, People's Republic of China.
What orbit did Zhiyuan 1-02E reach?
Zi Yuan 1-02E, one of 4 catalogued objects, reached a 772 × 775 km orbit inclined 98.6°.
How many satellites did Zhiyuan 1-02E launch?
2 payloads from this launch are catalogued, 2 of them still in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Long March 4C - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Flong_march_4c_image_20230801172338.jpeg&w=1600)